- Free forever: the core app and features are free to download and use.
- No ads: no distracting banners or popups in the Builder, Visualizer, or Trainer.
- No email spam: no aggressive funnels, no surprise newsletters.
- No paywall: create ranges, visualize charts, and run drills without a paid plan.
- No hidden fees: no trials, no credit card prompts, no feature locks.
- No data selling: your ranges are yours and stay on your device unless you choose to back them up.